Update app.py

app.py

@@ -178,10 +178,34 @@ def test_embedding_model_availability(api_key, model_name):
             },
             timeout=10
         )
-        if response.status_code == 429 or response.status_code == 200:
+        
+        if response.status_code == 200:
+            return True
+        elif response.status_code == 429:
+            logging.warning(
+                f"测试向量模型 {model_name} 可用性时遇到频率限制，"
+                f"API Key：{api_key}，响应：{response.text}"
+            )
             return True
+        elif response.status_code == 400:
+            try:
+                error_message = response.json().get("error", {}).get("message", "")
+                if (
+                    "maximum context length" in error_message or
+                    "This model's maximum context length" in error_message
+                ):
+                    logging.warning(
+                        f"测试向量模型 {model_name} 可用性失败，"
+                        f"API Key：{api_key}，错误信息：模型不支持大于1的输入"
+                    )
+                    return False
+                else:
+                    return False
+            except (KeyError, TypeError, json.JSONDecodeError):
+                return False
         else:
             return False
+
     except requests.exceptions.RequestException as e:
         logging.error(
             f"测试向量模型 {model_name} 可用性失败，"